Subject	stomach cell
Predicate	be replaced
Object	every 2 days replaced every 120 days
Modality	Modality Occurrences
Polarity	POSITIVE
Plausibility	0.4392
Neighborhood Sigma	0.5312
Local Sigma	1.0000
Example Sentences	Sentence Occurrences Source stomach cells are replaced every 2 days and red blood cells replaced every 120 days 1 Answers.com Questions